This Deal of the Day from eBay offers 84% off the Monster iCarPlay FM Transmitter for Apple devices. These let you play tracks from your iPod, iPod touch, iPhone, and iPad right through your car stereo. These usually sell for $119.95, and this deal brings it down to just $19, saving you a full $100.95. That's a discount of 84%. Even better? Shipping is free. If you're interested, head on over: